United Nations: Department of International Economic and Social Affairs - Population Division, 2009, "World population prospects 1950-2025, 1992", https://hdl.handle.net/11272.1/AB2/AHRQLK, Abacus Dat
The 2022 Revision of World Population Prospects is the twenty-seventh edition of official United Nations population estimates and projections that have been prepared by the Population Division of the
The 2018 Revision of World Urbanization Prospects presents the latest United Nations estimates of the size of urban and rural populations for 233 countries or areas from 1950 to 2018, with projections
